LineBotをスマホとReplitで作ってみる

import os
import sys
from argparse import ArgumentParser

from flask import Flask, request, abort
from linebot import (
    LineBotApi, WebhookHandler
)
from linebot.exceptions import (
    InvalidSignatureError
)
from linebot.models import (
    MessageEvent, TextMessage, TextSendMessage,
)

app = Flask(__name__)

# アクセストークの読み込み
channel_secret = os.getenv('LINE_CHANNEL_SECRET', None)
channel_access_token = os.getenv('LINE_CHANNEL_ACCESS_TOKEN', None)

line_bot_api = LineBotApi(channel_access_token)
handler = WebhookHandler(channel_secret)


@app.route("/callback", methods=['POST'])
def callback():
    signature = request.headers['X-Line-Signature']

    body = request.get_data(as_text=True)
    app.logger.info("Request body: " + body)

    try:
        handler.handle(body, signature)
    except InvalidSignatureError:
        abort(400)

    return 'OK'

@handler.add(MessageEvent, message=TextMessage)
def handle_text_message(event):
    text = event.message.text

    if text == 'こんにちは':
        profile = line_bot_api.get_profile(event.source.user_id)
        line_bot_api.reply_message(
            event.reply_token, [
                TextSendMessage(text='こんにちは' + profile.display_name + 'さん')
            ]
        )

if __name__ == "__main__":
    app.run(port=8000)